Alright, let's work through 7413008 times 21800414 step by step
7413008 × 21800414 = 21800414 × (7413008)
+ 21800414 × 8 producing 174403312
+ 21800414 × 00 what gives us 0
+ 21800414 × 000 giving us 0
+ 21800414 × 3000 that is equal 65401242000
+ 21800414 × 10000 yielding 218004140000
+ 21800414 × 400000 producing 8720165600000
+ 21800414 × 7000000 giving us 152602898000000

= 161606643385312
